hajdu HB300 Manuel De Mise En Service, D'opération Et D'entretien page 69

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time value by continuously pressing the 'DOWN' ('UP') button for 1 second.
 When setting vacation, you can continuously increase (decrease) the number
of days by continuously pressing the 'DOWN' ('UP') button for 1 second.
 In query mode, you can browse the functions you wish to check by pressing
the 'INCREASE/UP' or 'DECREASE/DOWN' arrow key.
CANCEL
To cancel or exit a setting, cancel an alarm or stop the alarm sound, press and
hold down the button for one second.
ON/OFF (with LED display)
 If the appliance is in standby mode, press the 'ON/OFF' button, then the
display will turn off.
 If the appliance is on, you can turn it off by pressing the button again.
 From the off state, you can turn on the appliance again by pressing the
ON/OFF button.
 The LED display located above the ON/OFF button '
appliance is either on or in Standby mode.
ENTER (Confirm or Release)
To prevent accidental changes in the appliance settings, a dedicated locking
function has been implemented. If no key is pressed on the appliance for half a
minute, it will automatically get locked and display the "Lock"
appliance is locked, it cannot be operated using buttons.
When the keylock and the display is released, you can confirm the parameter and
function set on the display by pressing the button.
 You can load the value set into the control system by holding down the button
continuously for 10 seconds.
 If you fail to confirm the setting within 10 seconds, it will get lost.
 If the display lock is active and the buttons are disabled, press and hold down
the Enter key for 3 seconds.
DISINFECT (Anti-Legionella protection)
Manual activation of the Anti-legionella function.
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' illuminates when the
indicator. When the